java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain IntervalDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-simple/dll2n_insert_equal.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 09:54:23,992 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 09:54:23,994 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 09:54:24,012 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 09:54:24,013 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 09:54:24,015 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 09:54:24,017 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 09:54:24,026 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 09:54:24,031 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 09:54:24,034 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 09:54:24,035 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 09:54:24,037 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 09:54:24,037 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 09:54:24,039 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 09:54:24,041 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 09:54:24,042 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 09:54:24,044 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 09:54:24,045 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 09:54:24,047 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 09:54:24,052 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 09:54:24,056 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 09:54:24,058 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 09:54:24,061 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 09:54:24,063 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 09:54:24,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 09:54:24,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 09:54:24,065 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 09:54:24,067 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 09:54:24,068 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 09:54:24,069 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 09:54:24,070 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 09:54:24,071 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 09:54:24,072 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 09:54:24,073 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 09:54:24,075 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 09:54:24,075 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 09:54:24,076 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 09:54:24,076 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 09:54:24,076 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 09:54:24,077 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 09:54:24,077 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 09:54:24,079 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-17 09:54:24,093 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 09:54:24,093 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 09:54:24,094 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 09:54:24,095 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 09:54:24,095 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 09:54:24,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 09:54:24,095 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 09:54:24,095 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 09:54:24,096 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 09:54:24,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 09:54:24,096 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 09:54:24,096 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 09:54:24,096 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 09:54:24,097 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 09:54:24,097 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 09:54:24,097 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 09:54:24,097 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 09:54:24,097 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 09:54:24,098 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 09:54:24,098 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 09:54:24,098 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 09:54:24,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 09:54:24,098 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 09:54:24,099 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 09:54:24,099 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 09:54:24,099 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 09:54:24,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 09:54:24,099 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 09:54:24,099 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-17 09:54:24,144 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 09:54:24,162 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 09:54:24,166 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 09:54:24,170 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 09:54:24,170 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 09:54:24,171 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_insert_equal.i [2019-09-17 09:54:24,243 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73fc22c2c/e59d6dfab59c44a49c7c583d2868fc19/FLAGa07dd8179 [2019-09-17 09:54:24,795 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 09:54:24,796 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_insert_equal.i [2019-09-17 09:54:24,816 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73fc22c2c/e59d6dfab59c44a49c7c583d2868fc19/FLAGa07dd8179 [2019-09-17 09:54:25,080 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73fc22c2c/e59d6dfab59c44a49c7c583d2868fc19 [2019-09-17 09:54:25,094 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 09:54:25,095 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 09:54:25,096 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 09:54:25,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 09:54:25,101 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 09:54:25,102 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 09:54:25" (1/1) ... [2019-09-17 09:54:25,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64802a56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:54:25, skipping insertion in model container [2019-09-17 09:54:25,106 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 09:54:25" (1/1) ... [2019-09-17 09:54:25,114 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 09:54:25,175 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 09:54:25,613 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 09:54:25,628 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 09:54:25,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 09:54:25,747 INFO L192 MainTranslator]: Completed translation [2019-09-17 09:54:25,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:54:25 WrapperNode [2019-09-17 09:54:25,748 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 09:54:25,748 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 09:54:25,749 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 09:54:25,749 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 09:54:25,762 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:54:25" (1/1) ... [2019-09-17 09:54:25,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:54:25" (1/1) ... [2019-09-17 09:54:25,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:54:25" (1/1) ... [2019-09-17 09:54:25,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:54:25" (1/1) ... [2019-09-17 09:54:25,800 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:54:25" (1/1) ... [2019-09-17 09:54:25,809 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:54:25" (1/1) ... [2019-09-17 09:54:25,813 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:54:25" (1/1) ... [2019-09-17 09:54:25,820 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 09:54:25,821 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 09:54:25,821 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 09:54:25,821 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 09:54:25,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:54:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 09:54:25,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 09:54:25,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 09:54:25,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-17 09:54:25,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-17 09:54:25,890 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-17 09:54:25,890 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-17 09:54:25,890 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2019-09-17 09:54:25,890 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy [2019-09-17 09:54:25,890 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert [2019-09-17 09:54:25,890 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 09:54:25,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 09:54:25,891 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-17 09:54:25,891 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-17 09:54:25,891 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-17 09:54:25,891 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-17 09:54:25,892 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-17 09:54:25,892 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-17 09:54:25,892 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-17 09:54:25,892 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-17 09:54:25,892 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-17 09:54:25,892 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-17 09:54:25,893 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-17 09:54:25,893 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-17 09:54:25,893 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-17 09:54:25,893 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-17 09:54:25,893 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-17 09:54:25,893 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-17 09:54:25,894 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-17 09:54:25,894 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-17 09:54:25,894 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-17 09:54:25,894 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-17 09:54:25,894 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-17 09:54:25,894 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-17 09:54:25,895 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-17 09:54:25,895 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-17 09:54:25,895 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-17 09:54:25,895 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-17 09:54:25,895 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-17 09:54:25,895 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-17 09:54:25,896 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-17 09:54:25,896 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-17 09:54:25,896 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-17 09:54:25,896 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-17 09:54:25,896 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-17 09:54:25,896 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-17 09:54:25,896 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-17 09:54:25,897 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-17 09:54:25,897 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-17 09:54:25,897 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-17 09:54:25,897 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-17 09:54:25,897 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-17 09:54:25,897 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-17 09:54:25,898 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-17 09:54:25,898 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-17 09:54:25,898 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-17 09:54:25,898 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-17 09:54:25,898 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-17 09:54:25,898 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-17 09:54:25,898 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-17 09:54:25,899 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-17 09:54:25,899 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-17 09:54:25,899 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-17 09:54:25,899 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-17 09:54:25,899 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 09:54:25,899 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-17 09:54:25,900 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-17 09:54:25,900 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 09:54:25,900 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-17 09:54:25,900 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-17 09:54:25,900 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-17 09:54:25,900 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-17 09:54:25,901 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-17 09:54:25,901 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-17 09:54:25,901 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-17 09:54:25,901 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-17 09:54:25,901 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-17 09:54:25,901 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-17 09:54:25,901 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-17 09:54:25,902 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-17 09:54:25,902 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-17 09:54:25,902 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-17 09:54:25,902 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-17 09:54:25,902 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-17 09:54:25,902 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-17 09:54:25,903 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-17 09:54:25,903 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-17 09:54:25,903 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-17 09:54:25,903 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-17 09:54:25,903 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-17 09:54:25,903 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-17 09:54:25,904 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-17 09:54:25,904 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-17 09:54:25,904 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-17 09:54:25,904 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-17 09:54:25,904 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-17 09:54:25,904 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-17 09:54:25,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-17 09:54:25,905 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-17 09:54:25,905 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-17 09:54:25,905 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-17 09:54:25,905 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-17 09:54:25,905 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-17 09:54:25,905 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-17 09:54:25,905 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-17 09:54:25,906 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-17 09:54:25,906 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-17 09:54:25,906 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-17 09:54:25,906 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-17 09:54:25,906 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-17 09:54:25,906 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-17 09:54:25,906 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-17 09:54:25,906 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-17 09:54:25,907 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-17 09:54:25,907 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-17 09:54:25,907 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-17 09:54:25,907 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-17 09:54:25,907 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-17 09:54:25,907 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-17 09:54:25,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 09:54:25,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 09:54:25,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 09:54:25,908 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2019-09-17 09:54:25,908 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy [2019-09-17 09:54:25,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 09:54:25,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 09:54:25,909 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert [2019-09-17 09:54:25,909 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 09:54:25,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 09:54:25,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-17 09:54:25,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 09:54:25,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 09:54:25,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 09:54:26,324 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-17 09:54:27,118 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 09:54:27,119 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-17 09:54:27,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 09:54:27 BoogieIcfgContainer [2019-09-17 09:54:27,121 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 09:54:27,121 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 09:54:27,121 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 09:54:27,122 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 09:54:27,123 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 09:54:27" (1/1) ... [2019-09-17 09:54:27,124 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-17 09:54:27,152 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 09:54:27,153 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 09:54:27,172 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 09:54:27,184 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 09:54:27,186 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 09:54:27,370 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-17 09:54:27,647 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-17 09:54:27,922 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2019-09-17 09:54:28,068 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-17 09:54:28,502 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-17 09:54:28,519 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-17 09:54:28,536 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-17 09:54:28,778 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-17 09:54:30,362 WARN L191 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2019-09-17 09:54:30,960 WARN L191 SmtUtils]: Spent 529.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-17 09:54:31,380 WARN L191 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-17 09:54:31,817 WARN L191 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-17 09:54:32,400 WARN L191 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2019-09-17 09:54:32,811 WARN L191 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-17 09:54:33,144 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 70 [2019-09-17 09:54:33,228 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-17 09:54:57,092 WARN L191 SmtUtils]: Spent 21.67 s on a formula simplification that was a NOOP. DAG size: 184 [2019-09-17 09:55:18,112 WARN L191 SmtUtils]: Spent 20.66 s on a formula simplification that was a NOOP. DAG size: 177 [2019-09-17 09:55:23,473 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2019-09-17 09:55:29,176 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2019-09-17 09:55:35,697 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2019-09-17 09:55:37,296 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2019-09-17 09:56:05,723 WARN L191 SmtUtils]: Spent 28.42 s on a formula simplification. DAG size of input: 210 DAG size of output: 189 [2019-09-17 09:56:20,058 WARN L191 SmtUtils]: Spent 13.11 s on a formula simplification that was a NOOP. DAG size: 182 [2019-09-17 09:56:22,500 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 34 [2019-09-17 09:56:46,663 WARN L191 SmtUtils]: Spent 16.74 s on a formula simplification. DAG size of input: 190 DAG size of output: 182 [2019-09-17 09:56:53,262 WARN L191 SmtUtils]: Spent 6.46 s on a formula simplification that was a NOOP. DAG size: 175 [2019-09-17 09:57:05,088 WARN L191 SmtUtils]: Spent 11.59 s on a formula simplification that was a NOOP. DAG size: 193 [2019-09-17 09:57:16,236 WARN L191 SmtUtils]: Spent 11.11 s on a formula simplification that was a NOOP. DAG size: 188 [2019-09-17 09:57:27,178 WARN L191 SmtUtils]: Spent 10.85 s on a formula simplification that was a NOOP. DAG size: 197 [2019-09-17 09:57:34,931 WARN L191 SmtUtils]: Spent 7.62 s on a formula simplification that was a NOOP. DAG size: 190 [2019-09-17 09:57:36,880 WARN L191 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 167 [2019-09-17 09:57:39,033 WARN L191 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 167 DAG size of output: 159 [2019-09-17 09:57:40,701 WARN L191 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 159 DAG size of output: 150 [2019-09-17 09:57:41,907 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 148 DAG size of output: 144 [2019-09-17 09:57:42,896 WARN L191 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 134 [2019-09-17 09:57:42,953 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-17 09:57:42,956 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-17 09:57:43,184 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 09:57:43,184 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 09:57:43,186 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 83#(and (<= |main_~#s~0.offset| 0) (<= |#NULL.base| 0) (<= 0 main_~count~0) (<= main_~data~0 1) (<= 0 |#NULL.base|) (<= 0 |main_~#s~0.offset|) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 2 main_~len~0) (<= 1 main_~data~0)) [2019-09-17 09:57:43,197 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 09:57:43,198 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 09:57:43,199 INFO L168 Benchmark]: Toolchain (without parser) took 198104.14 ms. Allocated memory was 139.5 MB in the beginning and 329.3 MB in the end (delta: 189.8 MB). Free memory was 85.3 MB in the beginning and 226.4 MB in the end (delta: -141.1 MB). Peak memory consumption was 48.7 MB. Max. memory is 7.1 GB. [2019-09-17 09:57:43,199 INFO L168 Benchmark]: CDTParser took 1.28 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 09:57:43,200 INFO L168 Benchmark]: CACSL2BoogieTranslator took 651.62 ms. Allocated memory was 139.5 MB in the beginning and 198.7 MB in the end (delta: 59.2 MB). Free memory was 85.1 MB in the beginning and 159.6 MB in the end (delta: -74.5 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. [2019-09-17 09:57:43,200 INFO L168 Benchmark]: Boogie Preprocessor took 72.28 ms. Allocated memory is still 198.7 MB. Free memory was 159.6 MB in the beginning and 156.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2019-09-17 09:57:43,201 INFO L168 Benchmark]: RCFGBuilder took 1299.86 ms. Allocated memory is still 198.7 MB. Free memory was 156.5 MB in the beginning and 82.3 MB in the end (delta: 74.2 MB). Peak memory consumption was 74.2 MB. Max. memory is 7.1 GB. [2019-09-17 09:57:43,201 INFO L168 Benchmark]: Sifa took 196076.41 ms. Allocated memory was 198.7 MB in the beginning and 329.3 MB in the end (delta: 130.5 MB). Free memory was 82.3 MB in the beginning and 226.4 MB in the end (delta: -144.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-17 09:57:43,203 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.28 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 651.62 ms. Allocated memory was 139.5 MB in the beginning and 198.7 MB in the end (delta: 59.2 MB). Free memory was 85.1 MB in the beginning and 159.6 MB in the end (delta: -74.5 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 72.28 ms. Allocated memory is still 198.7 MB. Free memory was 159.6 MB in the beginning and 156.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1299.86 ms. Allocated memory is still 198.7 MB. Free memory was 156.5 MB in the beginning and 82.3 MB in the end (delta: 74.2 MB). Peak memory consumption was 74.2 MB. Max. memory is 7.1 GB. * Sifa took 196076.41 ms. Allocated memory was 198.7 MB in the beginning and 329.3 MB in the end (delta: 130.5 MB). Free memory was 82.3 MB in the beginning and 226.4 MB in the end (delta: -144.1 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 196034, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 59, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 45, TOOLS_POST_TIME[ms]: 195273, TOOLS_POST_CALL_APPLICATIONS: 8, TOOLS_POST_CALL_TIME[ms]: 221, TOOLS_POST_RETURN_APPLICATIONS: 7, TOOLS_POST_RETURN_TIME[ms]: 55, TOOLS_QUANTIFIERELIM_APPLICATIONS: 50, TOOLS_QUANTIFIERELIM_TIME[ms]: 195522, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 189267, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 68, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 18, DOMAIN_JOIN_TIME[ms]: 337, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 6, DOMAIN_ISSUBSETEQ_APPLICATIONS: 9, DOMAIN_ISSUBSETEQ_TIME[ms]: 11, DOMAIN_ISBOTTOM_APPLICATIONS: 4, DOMAIN_ISBOTTOM_TIME[ms]: 9, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 5720, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5720, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, CALL_SUMMARIZER_APPLICATIONS: 7, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME[ms]: 195474, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 195471, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 27, DAG_COMPRESSION_PROCESSED_NODES: 141, DAG_COMPRESSION_RETAINED_NODES: 66 - UnprovableResult [Line: 643]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 83#(and (<= |main_~#s~0.offset| 0) (<= |#NULL.base| 0) (<= 0 main_~count~0) (<= main_~data~0 1) (<= 0 |#NULL.base|) (<= 0 |main_~#s~0.offset|) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 2 main_~len~0) (<= 1 main_~data~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...